Answer :
Protein: 4 x 4 = 16 calories
The number of calories per gram in each macronutrient is as follows: 4 calories are found in carbohydrates, 9 calories from fat, 4 calories in protein.
So on multiplying based on their calories per gram we get:
Calories of each molecule:
Fat: 7 x 9 = 63 cal
Carbohydrates: 16 x 4 = 64 cal
Protein: 4 x 4 = 16 cal
Definition of calories
- Calories are the units of energy used by your body during food digestion and absorption.
- A food might provide your body extra energy if it has more calories.
- Your body stores extra calories as body fat when you consume more calories than you need.
- Even foods without fat might have a lot of calories.
What kinds of calories are there?
- Each of the three primary macronutrients we consume—carbohydrates, fats, and proteins—contains calories.
- The number of calories per gram in each macronutrient is as follows: 4 calories are found in carbohydrates, 9 calories from fat, 4 calories in protein.
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